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2025-07-07 - 02:19
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackfslot7.osadl.org (updated Sun Jul 06, 2025 12:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3234558997213,0cyclictest0-21swapper/610:29:586
3234558997113,19cyclictest0-21swapper/610:39:546
323455899656,19cyclictest0-21swapper/611:58:456
323455899655,59cyclictest0-21swapper/611:20:066
323455899645,19cyclictest0-21swapper/612:16:346
323455899634,19cyclictest0-21swapper/611:37:266
323455899634,19cyclictest0-21swapper/611:37:266
323455899634,19cyclictest0-21swapper/607:23:586
323455899634,0cyclictest0-21swapper/611:46:306
323455899634,0cyclictest0-21swapper/611:28:586
323455899633,59cyclictest0-21swapper/609:04:586
323455899624,0cyclictest0-21swapper/609:25:546
323455899624,0cyclictest0-21swapper/607:31:416
323455899623,19cyclictest0-21swapper/612:23:266
323455899623,19cyclictest0-21swapper/612:08:496
323455899623,19cyclictest0-21swapper/609:48:576
323455899623,19cyclictest0-21swapper/608:58:066
323455899623,19cyclictest0-21swapper/607:15:106
323455899613,19cyclictest0-21swapper/608:07:466
3234558995918,40cyclictest874-21mta-sts-daemon08:29:306
323455899591,19cyclictest0-21swapper/609:59:256
3234558995839,18cyclictest0-21swapper/610:55:166
323455899580,39cyclictest3304050-21awk09:10:186
3234559995637,19cyclictest101750irq/39-eno2-TxRx-007:50:247
3234558995637,19cyclictest781ktimers/607:11:366
3234558995633,22cyclictest0-21swapper/610:54:166
3234558995618,19cyclictest3416485-21taskset12:30:126
3234558995617,0cyclictest1089-21snmpd09:24:106
3234558995531,23cyclictest0-21swapper/612:03:526
3234558995519,36cyclictest0-21swapper/612:35:266
3234558995516,38cyclictest781ktimers/607:44:486
3234558995516,20cyclictest3416389-21systemctl12:30:026
3234558995515,19cyclictest0-21swapper/607:49:226
3234558995514,20cyclictest0-21swapper/608:30:066
3234558995514,19cyclictest0-21swapper/610:10:146
3234558995514,19cyclictest0-21swapper/607:50:306
323455899550,15cyclictest0-21swapper/609:39:466
3234558995431,19cyclictest0-21swapper/610:04:006
3234558995414,39cyclictest0-21swapper/611:10:066
3234558995414,39cyclictest0-21swapper/609:07:046
3234558995414,19cyclictest0-21swapper/611:41:426
3234558995414,19cyclictest0-21swapper/611:41:426
3234558995414,19cyclictest0-21swapper/611:30:296
3234558995414,19cyclictest0-21swapper/610:30:186
3234558995414,19cyclictest0-21swapper/609:51:226
3234558995414,19cyclictest0-21swapper/609:30:146
3234558995414,19cyclictest0-21swapper/608:50:296
3234558995414,19cyclictest0-21swapper/608:45:066
3234558995414,19cyclictest0-21swapper/608:10:186
3234558995414,19cyclictest0-21swapper/607:55:186
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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